IUCN threat status:

Distribution

Range Description

According to AnimalBase (2010), the species lives in Italy and Slovenia, north-west of Croatia, south-east of France, south of Switzerland, Sicily, Corsica, but not Sardinia. it is introduced to France, England and central Europe. It is probably native in Italy and in the adjacent regions of Slovenia-Croatia and southern France, possibly to the north-east of Spain (first record there by Graells in 1846). It was first observed in Hungary in the 1930s. it appeared in north-west France in the 1940s and spread rapidly, today it is found almost in the entire country. It was introduced to Cornwall before 1950 with nurseries or garden plants and is still spreading rapidly; it has recently reached Devon and the London area. it was first recorded in Germany and the Netherlands in the 1990s.